Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:148AM GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 6, 6√2, 14, 10√2, 11√2, 14√2, 22, 16√2, 22√2, 32, 25√2, 42, 32√2, 58, 74, 58√2, 90, 74√2.

Code: 905 0 58 744 74 74 743 148 74 164 90 58 100 106 74 421 148 74 60 96 64 61 102 64 142 116 50 141 116 64 322 148 32 587 0 58 580 58 58 224 80 36 223 102 36 256 91 25 114 91 25 323 148 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

90
74√2
74
16√2
10√2
42
6√2
6
14√2
14
32√2
58
58√2
22√2
22
25√2
11√2
32